O'Donnell, P. T., & Maleady, E. L. (1975). Principles of Real Estate. W.B. Sauders.
Chicago Style aipamenaO'Donnell, Paul T., and Eugene L. Maleady. Principles of Real Estate. Philadelphia: W.B. Sauders, 1975.
MLA aipamenaO'Donnell, Paul T., and Eugene L. Maleady. Principles of Real Estate. W.B. Sauders, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.